This site contains mainly of contents. We are looking for a good solution which help us in updating maintaing the contents regularly and easily. Its not purely content based. So we need a mix of both.
I saw that some of government web-sites use Magnolia, which I think means that it's pretty stable, so you can give a try.
OFF: But generally speaking I think it is easier (cheaper) to implement such a simple functionality with PHP.
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.